5.57For the refrigerator of Example 5.2, apply Eq. 5.13 on a time-rate basis todetermine whether the cycle operates reversibly, operates irreversibly, or isimpossible. Repeat for the case where there is no power input.Surroundings at 22°C (295 K)QnWeycle3200 kJ/hQuick Handwritten format,Strictly don't use chatgpt.wwwwwwQc=8000 kJ/hFreezer compartmentat-5°C (268 K)SystemboundaryFIG. ES.280=-0 cycle(5.13)

Answered: Image /qna-images/answer/7c5b0d6d-9fd3-4181-a878-f2ddeb598efb.jpg

Answered: 5.57 For the refrigerator of Example…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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In an absorption refrigerator, the energy driving the process is sllPplied not as work, but as heat from a gas flame. (Such refrigerators commonly use propane as fuel, and are used in locations where electricity is unavailable. *) Let us define the following symbols, all taken to be positive by definition: Qf = heat input from flame Qe = heat extracted from inside refrigerator Qr = waste heat expelled to room Tf = temperature of flame Te temperature inside refrigerator Tr = room temperature Explain why the "coefficient of performance" (COP) for an absorption refrigerator should be defined as Qc/Qf.
In an absorption refrigerator, the energy driving the process is sllPplied not as work, but as heat from a gas flame. (Such refrigerators commonly use propane as fuel, and are used in locations where electricity is unavailable. *) Let us define the following symbols, all taken to be positive by definition: Qf = heat input from flame Qe = heat extracted from inside refrigerator Qr = waste heat expelled to room Tf = temperature of flame Te temperature inside refrigerator Tr = room temperature Use the second law of thermodynamics to derive an upper limit on the COP, in terms of the temperatures Tf, Te, and Tr alone.
Solve quick & Correctly, don't copy.
An aircraft engine has design parameter as shown in table 1 Parameters Mo Pa Ta Compressor Pressure Ratio Turbine Entry Temperature, TET Compressor Efficiency Turbine Efficiency Low Heating Value, LHV of Jet A Combustor Pressure Loss (% of Cdp) Air Mass Flow Cp, cold Y cold Cp,Hot Yhot Value 0 101Kpa 15°C 25 1500K 0.9 0.85 42 800 kJ/Kg 5 150 kJ/s 1000 J/kg/K 1.4 1150 J/Kg/K 1.333 Unless otherwise specified, the turbomachinery efficiency is isentropic. a) Analyze the engine type by sketching a schematic diagram as well as T-s diagram of the engine. b) determine the thrust and Specific Fuel consumption (SFC) of the engine if the engine uses convergent nozzle.
Solve it and use interpolation when u find h02s
ZV7 ZAIN IQ BigBlueButton - Reheat.. t014.rna1.blindsidenetworks.com 37:28 Rankine Cycle ... Ali Khaleel Kareem O Homework Example 2: 2.6 (Page 45) In a stream power plant, the steam mass flow rate is 80ton/h, the steam inters the turbine at 6MPA and 480 °C, condenser pressure = 0.06MPA, mechanical and electrical efficiencies are 0.96 & 0.95, respectively. Find the specific steam consumption and the power output. Example 3: 2.7 (Page 46) Find the cycle efficiency and specific steam consumption of a reheat cycle (Error! Reference source not found.) operating between pressures of 3MPA and 0.004MPA, with superheat temp of 450 °C. Assume that the first expansion is carried out to the point where the steam is dry saturated and then the steam is reheated to the original superheat temp. The feed pump term may be neglected.
Show work in handwritten format,As quick as possible. 5.57 For the refrigerator of Example 5.2, apply Eq. 5.13 on a time-rate basis to determine whether the cycle operates reversibly, operates irreversibly, or is impossible. Repeat for the case where there is no power input. Surroundings at 22°C (295 K) Qu Wcycle =3200 kJ/h www Qc=8000 kJ/h Freezer compartment at-5°C (268 K) System boundary FIG. ES.2 (5.13) =-0 cycle
thermal cycle simulation with Matlab, By integrating a turbocharger, a swirler combustor will be studied, designed and built for a hydrogen and ammonia fuelled engine which can work as a range extender for net zero vehicles.
8:05 AM Tue 10 Dec Done > المرفق.pdf + ... Q2] ) Answer the Following: (A): A power plant with regenerative and reheat systems is shown in Figure A. In terms of enthalpies and (y) determine: [1] Work of HP turbine [2] Work of LP turbine [3] Heat balance of the FWH [4] Qin [5] Work of the Pumpl (B): A gas turbine power plant is combined with a regenerative steam power plant as shown in Figure B. Assume the bleeding steam from the turbine is 0.8 kg/s. Answer the following: [1] In terms of enthalpies only, find the steam flow rate (ms) [2] In terms of enthalpies only, find the flow rate ratio (m./mg) [3] In terms of enthalpies and flow rate (ms), find the power of the steam turbine [4] State which pressure is higher, P4 or P7? [5] If T5 is known and the effectiveness of the heat exchanger is perfect, which temperature will be known also? Boiler Comp HPT LPT y2 C.C Heat Exchanger A GT 7 Pump ST FWH Pump 1 Condenser 11 4 12 13 10 10 11 by FWH Condenser 12 13' Figure (A) Figure (B) 94%
After graduation, you take a job with the Acme energy services company. Your first job is to purchase high efficiency heat pumps. The heat pumps employ mechanical power and a heat engine to provide heat at TH = 100°C. A low temperature heat sink at TC = 20ºC is also available. A salesman shows you two models. Performance data for each model operating at steady state are provided in the Figure below
A power cycle operating between two reservoirs receive energy Qh by heat transfer to a cold reservoirs at Th=2000k and rejects energy Qc by heat transfer to a cold reservoir at Tc=400k.For each of the following cases determine whether the cycle operates reversible, irreversible or impossible. SHOW all calculation procedure.( Hint:find maximum thermal efficiency and compare with each system thermal efficiency, system Thermal efficiency =wcycle/Qin) A)find maximum Thermal efficiency (%) of the system. B)Qh=50kj, Wcycle=850kj C)Qh=2000kj, Wcycle=400kj D)Wcycle=150kj, Qc=700kj
This Concepts revolves around thermodynamics and this practice example may need a PV diagram Directions are below

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